package demo5extends;

/**
 * @Author 12629
 * @Description：
 */

interface A {
    void testA();
}

interface B extends A{
    void testB();
}

class TestDemo1 implements B {
    @Override
    public void testA() {

    }

    @Override
    public void testB() {

    }
}

public class Test {
}
